mirror of https://github.com/ARMmbed/mbed-os.git
72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2006-2012 ARM Limited
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef RTOS_TIMER_H
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#define RTOS_TIMER_H
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#include <stdint.h>
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#include "cmsis_os.h"
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namespace rtos {
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/** The RtosTimer class allow creating and and controlling of timer functions in the system.
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A timer function is called when a time period expires whereby both on-shot and
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periodic timers are possible. A timer can be started, restarted, or stopped.
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Timers are handled in the thread osTimerThread.
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Callback functions run under control of this thread and may use CMSIS-RTOS API calls.
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*/
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class RtosTimer {
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public:
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/** Create and Start timer.
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@param task name of the timer call back function.
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@param type osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
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@param argument argument to the timer call back function. (default: NULL)
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*/
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RtosTimer(void (*task)(void const *argument),
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os_timer_type type=osTimerPeriodic,
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void *argument=NULL);
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/** Stop the timer.
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@return status code that indicates the execution status of the function.
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*/
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osStatus stop(void);
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/** start a timer.
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@param millisec time delay value of the timer.
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@return status code that indicates the execution status of the function.
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*/
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osStatus start(uint32_t millisec);
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~RtosTimer();
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private:
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osTimerId _timer_id;
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osTimerDef_t _timer;
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#ifdef CMSIS_OS_RTX
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uint32_t _timer_data[5];
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#endif
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};
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}
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#endif
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